1. Choose a base sprite. The sprite that will be recolored2. Choose a color sprite, then copy it and paste it. This sprite will determine the color of the new sprite.3. Copy all bit in the base sprite (open it with paint, then Ctrl+A to select all, then Ctrl+C to copy)4. Paste it on the color sprite. See that the copied sprite has different colors. Sometimes recolored to be a good one, but if it is bad, you must try another color sprite which fit to the base sprite.